JPS5277447A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Waste water purifying method by utilization of aerobic-rotary-type wat er purifying equipment
Assignee: Kurita Water Industries Ltd
•
Filing: 1975-12-24
•
Granted: —
•
Expires: 1995-12-24
Abstract
Abstract PURPOSE: To improve water-treating efficiency by rotating a module in a pressureand-airtight tank to enable microbes to absorb plenty of air on the surface of water and also to allow them to absorb, while under water, a large amount of oxygen solved in the water. COPYRIGHT: (C)1977,JPO&Japio
Inventors
- 👤 Katsumi Tagome
- 👤 Seiji Fujiura
- 👤 Shigeki Sawada
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-07 20:01
CPC Classifications
Y; Y02; Y02W; Y02W10/00; Y02W10/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.